The lead–acid battery was invented in 1859 by French physicist Gaston Planté and is the oldest type of rechargeable battery. Despite having a very low energy-to-weight ratio and a low energy-to-volume ratio, its ability to supply high surge currents means that the cells have a relatively large power-to-weight ratio. These features, along with their low cost, makes it attractive for use in motor vehicles to provide the high current required by automobile starter motors.
As they are inexpensive compared to newer technologies, lead-acid batteries are widely used even when surge current is not important and other designs could provide higher energy densities. Large-format lead-acid designs are widely used for storage in backup power supplies in cell phone towers, high-availability settings like hospitals, and stand-alone power systems. For these roles, modified versions of the standard cell may be used to improve storage times and reduce maintenance requirements. Gel-cells and absorbed glass-mat batteries are common in these roles, collectively known as VRLA (valve-regulated lead-acid) batteries.
This video is targeted to blind users.
Article text available under CC-BY-SA
Creative Commons image source in video
For all your Bosch dishwasher spare parts go to http://bit.ly/18o7TXP
In this video, Helen demonstrates how to fit a three sided dishwasher door seal. Note that this is the upper seal for the door. To view the lower seal replacement seal click on the follwing link https://www.youtube.com/watch?v=h3F-7VRPI8M